Home / 181,404.52-272,109.57-69,090.97

Finding the Fourth Proportional to 181,404.52, 272,109.57 and 69,090.97

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Solution

The fourth proportional to 181,404.52, 272,109.57 and 69,090.97 is: 103,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,404.52 : 272,109.57 = 69,090.97 : x
  2. Step 2: Convert to fraction form
    181,404.52/272,109.57 = 69,090.97/x
  3. Step 3: Cross multiply
    181,404.52x = 272,109.57 × 69,090.97
  4. Step 4: Simplify right side
    181,404.52x = 18,800,314,137.58
  5. Step 5: Solve for x
    x = 18,800,314,137.58/181,404.52
  6. Step 6: Final answer
    x = 103,637.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.